Cherry-pick "Refactor Regexp.prototype" am: 780b5e3420

Change-Id: I925bad7ff9ff7dea932b55d4f7d22df4a762622a
tree: 376f1116cea2d05d2c5384fe8feedb6b876518b6
  1. src/
  2. test/
  3. Android.mk
  4. LICENSE
  5. MODULE_LICENSE_BSD
  6. NOTICE
  7. README